** GDI Property Group GDI.AX rises as much as 4.5% to A$0.7, highest since June 16
** Stock marks biggest intraday pct gain since late February
** Property owner announces sale of six assets from its Autoleague portfolio for A$74 mln ($47.5 mln)
** Says sale price represents more than 50% increase from acquisition price
** Expects to return 75 AU cents/unit to unitholders upon sale settlement
** About 846,000 shares traded, 2.5x the 30-day avg
** YTD, GDI up 19.1%
($1 = A$1.5569)
(Reporting by Anjali Singh in Bengaluru)
((anjali.singh2@thomsonreuters.com;))